Zynga executive, in charge of ley game, departs struggling company.

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San Francisco-based online gaming company Zynga saw a key executive overseeing an online poker game leave the company, according to reports.

Laurence Toney was the Zynga Poker General Manager, according to Reuters. He departed sometime on Monday, when his LinkedIn account was edited to show a change in his employer, the news wire reported.

Zynga, makers of FarmVille and CityVille for the Facebook platform, had been attempting to use "real-money gambling" as a way to generate "billions of dollars in annual revenue," the newspaper reported.

Zynga's stock has suffered badly throughout the year: shares in the company closed at $2.43 at the end of Monday trading, a 70-percent drop, according to the newspaper.

Other high-profile exits at the company include its chief operating officer, chief creative officer, and chief marketing officer, Reuters reported.